Adam Polonsky
Partner
Adam has extensive experience in multi-party litigation and shareholder actions, helping clients navigate a broad range of complex commercial disputes.
Partner
Adam has extensive experience in multi-party litigation and shareholder actions, helping clients navigate a broad range of complex commercial disputes.
Languages - English
Jurisdiction - England & Wales
Adam Polonsky is a partner at Stephenson Harwood in the highly-regarded Group Actions and Competition team and is renowned for his expertise in complex multi-party litigation and general commercial disputes, often involving high-value claims in the Commercial Court.
Adam assists a diverse range of clients, from large corporates headquartered in the UK, to smaller businesses and business-owners located throughout Europe. He has a burgeoning practice in shareholder disputes and securities litigation.
Adam provides comprehensive support through all stages of litigation, from pre-action through to trial, offering careful advice on how best to navigate complex court process. His strategic approach, often through targeted interlocutory applications, ensures clients are well-positioned to secure and vindicate their rights. Adam's ability to handle complex proceedings and his proactive approach to settlement is highly valued by his clients.
Clients appreciate Adam's depth of experience, his sensitivity to their litigation goals and his ability to act decisively in high-pressure situations. His work with over 1,000 claimants against Visa and MasterCard showcases his capacity to manage large-scale group litigation, making him a sought-after advisor for those seeking to make use of the collective proceedings regime to protect their rights.
Interchange Clients (Competition - Economy Wide)
Negotiated settlements on behalf of 1800 merchant claimants in claims brought against Visa and Mastercard for unlawful charging of interchange fees.
Saxon Woods Investments Ltd (Shareholder Dispute)
Complex, high value unfair prejudice petition successfully brought on behalf of the founder of a production and events business against a substantial indirect shareholder for breach of duty, securing an unconditional buy-out order.
Salmon cartel (Competition - UK Grocery)
Bringing competition damages claims on behalf of many of the UK's largest supermarkets against Norwegian salmon producers for alleged unlawful cartel activity and price-maintenance.
